Back Херцогство Бар Bulgarian Dugelezh Bar Breton Ducat de Bar Catalan Barské vévodství Czech Herzogtum Bar German Duklando Bar Esperanto Ducado de Bar Spanish Bari hertsogkond Estonian Barreko Dukerria Basque دوکنشین بار Persian
County (Duchy) of Bar | |||||||||
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| 1033–1766 | |||||||||
 Coat of arms
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 Map of France in 1477, showing the duchy of Bar in "Valois-Anjou" colours | |||||||||
 The Duchy of Bar in the 17th century, as against the modern administrative divisions of France | |||||||||
| Status | Vassal of Holy Roman Empire | ||||||||
| Capital | Bar-le-Duc | ||||||||
| Government | Feudal monarchy | ||||||||
| Historical era | Middle Ages | ||||||||
• Established | 1033 | ||||||||
• Divided from the Duchy of Lorraine | 1033 | ||||||||
• Divided between France and the Empire | 1301 | ||||||||
• Raised to a duchy | 1354 | ||||||||
• United with the Duchy of Lorraine | 1480 | ||||||||
• Passed by treaty to the French crown | 1766 | ||||||||
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The County of Bar, later Duchy of Bar, was a principality of the Holy Roman Empire encompassing the pays de Barrois and centred on the city of Bar-le-Duc. It was held by the House of Montbéliard from the 11th century. Part of the county, the so-called Barrois mouvant, became a fief of the Kingdom of France in 1301 and was elevated to a duchy in 1354. The Barrois non-mouvant remained a part of the Empire. From 1480, it was united to the imperial Duchy of Lorraine.
Both imperial Bar and Lorraine came under the influence of France in 1735, with Bar ceded to the deposed king of Poland, Stanisław Leszczyński. According to the Treaty of Vienna (1738), the duchy would pass to the French crown upon Stanisław's death, which occurred in 1766.